<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
    <script type="text/javascript">
    let [json,arr, num, str] = [{a: 1,b: 2},[1,2,3],8,'abc'];

    console.log(json,arr,num,str);

    </script>
  </head>
  <body>

  </body>
</html>
